* {
    padding: 0;
    margin: 0;
    text-decoration: none;
    /* 去掉超链接下划线 */
    list-style: none;
    /* 去掉li前实心圆 */
}

.kc-an {
    /* background-color: wheat; */
    width: 1180px;
    margin: auto;
}

.kcan {
    width: 80px;
    height: 40px;
    text-align: center;
    color: black;
    background-color: yellowgreen;
    border: 3px solid saddlebrown;
    border-radius: 8px;
    margin-top: 50px;
    margin-left: 50px;
}

.container {
    position: relative;
    width: 1100px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 30px;
    /* background-color: #111; */
    margin: auto;
    /* margin-top: 30px; */
}

.card {
    background-color: rgb(57, 118, 118);
}

.container .card {
    position: relative;
    max-width: 280px;
    height: 150px;
    background: #fff;
    margin: 30px 10px;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 202px rgba(0, 0, 0, 0.5);
    transition: 0.3s ease-in-out;
}

.container .card:hover {
    height: 250px;
}

.container .card .imgBx {
    position: relative;
    width: 260px;
    height: 160px;
    top: -60px;
    left: 10px;
    z-index: 1;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    /* background-color: yellow; */
}

.container .card .imgBx img {
    max-width: 100%;
    border-radius: 4px;
}

.container .card .content {
    position: relative;
    margin-top: -140px;
    padding: 10px 15px;
    text-align: center;
    color: #111;
    visibility: hidden;
    opacity: 0;
    transition: 0.3s ease-in-out;
}

.container .card:hover .content {
    visibility: visible;
    opacity: 1;
    margin-top: -40px;
    transition-delay: 0.3s;
}

.container a {
    color: #2b2727;
}

@media (max-width: 600px) {
    .kcan {
        background-color: yellowgreen;
        margin: auto;
        display: flex;
        flex-direction: column;
    }

    .kc-an {
        width: 350px;
        /* background-color: aqua; */
        margin-top: 100px;
        height: 100%;
    }

    .container {
        display: flex;
        width: 400px;
        /* background-color: #111; */
    }

}

/* 书籍部分 */
.sjbf {
    display: flex;
    width: 1180px;
    height: 450px;
    /* background-color: #963d3d; */
    margin: auto;
    justify-content: center;

}

.sjbf img {
    width: 250px;
    height: 300px;
    border: 2px solid rgb(57, 118, 118);
    border-radius: 5px;
}

.shu {
    margin: 30px 20px;
}

.shu-1 h3 {
    width: 250px;
    /* background-color: #be2e2e; */
    text-align: center;
    margin-top: 10px;
    color: rgb(82, 73, 73);
}

.shu-1 p {
    width: 250px;
    /* background-color: #2ebe5e; */
    text-align: center;
    margin-top: 10px;
}

@media (max-width: 600px) {
    .kc-an {
        width: 350px;
        /* background-color: aqua; */
        margin-top: 60px;
    }

    .sjbf {
        display: flex;
        /* background-color: #111; */
        justify-content: center;
        flex-wrap: wrap;
        /* flex-direction: column; */
        width: 350px;
    }
}

/* 关于我们 */
.kc-an2 {
    /* background-color: wheat; */
    width: 1180px;
    margin: auto;
}

.kcan2 {
    width: 140px;
    height: 40px;
    text-align: center;
    color: black;
    background-color: yellowgreen;
    border: 3px solid saddlebrown;
    border-radius: 8px;
    margin-top: 50px;
    margin-left: 50px;
}

.gywm {
    display: flex;
    width: 1180px;
    height: 600px;
    background-color: darkcyan;
    margin: auto;
    margin-top: 30px;
    border-radius: 10px 0 0 10px;
}

.gywmz {
    width: 80px;
    height: 450px;
    margin-left: 150px;
    margin-top: 50px;
    /* background-color: rgb(189, 189, 53); */
    border: 3px solid rgb(179, 147, 124);
    border-radius: 8px;
}

.gywmz img {
    width: 50px;
    height: 50px;
    margin-top: 30px;
    margin-left: 10px;
}

.gywmy {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    width: 880px;
    height: 100%;
    margin: auto;
    background-color: rgb(236, 234, 228);
}

.si {
    width: 250px;
}

.gywmy img {
    width: 120px;
    height: 120px;
    border: 2px solid rgb(45, 180, 169);
    border-radius: 50%;
    margin-left: 25%;
    margin-top: 80px;
}

.si h3 {
    text-align: center;
    /* background-color: #7b7070; */
}

@media (max-width: 600px) {
    .gywm {
        display: none;
    }

    .kc-an2 {
        width: 350px;
        /* background-color: aqua; */
        margin-top: 1000px;
    }

    .gywm2 {
        display: flex;
        flex-wrap: wrap;
        width: 500px;
        height: 600px;
        /* background-color: cornflowerblue; */
        margin: auto;
    }

    .gywm2 img {
        width: 150px;
        height: 150px;
        border: 2px solid rgb(45, 180, 169);
        border-radius: 50%;
        margin-left: 10%;
        margin-top: 50px;
    }

    .si {
        width: 250px;

    }

    .si h3 {
        margin-left:-10%;
        /* background-color: #7b7070; */
    }

    .si p {
        /* background-color: #f4ebeb; */
        margin-left: 8%;
    }

}

@media (min-width: 600px) {
    .gywm2 {
        display: none;
    }

}